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Diffstat (limited to 'sysdeps/ieee754/dbl-64/wordsize-64/s_isnan.c')
-rw-r--r--sysdeps/ieee754/dbl-64/wordsize-64/s_isnan.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_isnan.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_isnan.c
index 3b08c54dd4..65dc8934f9 100644
--- a/sysdeps/ieee754/dbl-64/wordsize-64/s_isnan.c
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_isnan.c
@@ -18,6 +18,7 @@
 #include "math.h"
 #include "math_private.h"
 
+#undef __isnan
 #ifdef __STDC__
 	int __isnan(double x)
 #else